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Main Switch
WSM-125 Main Switch
Incomer isolation at 100A or 125A in one to four poles. CB, SEMKO, CE and UKCA certificates are held against this range.
Technical overview
Core specifications
Rated current100A, 125A
Poles1P, 2P, 3P, 4P
Rated voltage230 / 400V
Electrical life10,000 cycles
Mechanical life10,000 operations
MountingDIN rail
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Commercial & documentation
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Technical files
Datasheet, dimensions and certificate scope
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PDF · Product datasheet DWG/PDF · Dimensions & installation PDF · Certificate scope
Request Technical Files Typical use
- Consumer-unit incomers
- Distribution-board isolation
- Sub-distribution switching
Compliance references
- BS EN 60947-3
- CB · SEMKO · CE · UKCA
Customisation scope
- Brand marking
- Packaging
- Technical literature
Related products
Other products supplied for the same installations.
Main Switch
WSM-125D Main Switch
Same 100A/125A duty as the WSM-125, but with a double wiring terminal — useful where an outgoing tail has to be taken off the incomer without a separate connector block.
View specifications →
Main Switch
WSM-100 Main Switch
A 100A-only isolator range in one to four poles, for boards where the incomer is fixed at 100A and the wider 125A selection is not needed.
View specifications →
Main Switch
WSM-250 Main Switch
Three-pole 250A isolation for the top end of the range — commercial boards and sub-mains where a modular 125A incomer is no longer enough.
View specifications →Technical & sales support
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